JAL-3032 adds Java 8 functionality (2/2)

[jalview.git] / src2 / org / json / simple / JSONObject.java

diff --git a/src2/org/json/simple/JSONObject.java b/src2/org/json/simple/JSONObject.java
new file mode 100644 (file)
index 0000000..fafa36b
--- /dev/null
+++ b/src2/org/json/simple/JSONObject.java
@@ -0,0 +1,132 @@
+/*
+ * $Id: JSONObject.java,v 1.1 2006/04/15 14:10:48 platform Exp $
+ * Created on 2006-4-10
+ */
+package org.json.simple;
+
+import java.io.IOException;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+/**
+ * A JSON object. Key value pairs are unordered. JSONObject supports java.util.Map interface.
+ * 
+ * @author FangYidong<fangyidong@yahoo.com.cn>
+ */
+public class JSONObject extends HashMap implements Map, JSONAware, JSONStreamAware{
+       
+       private static final long serialVersionUID = -503443796854799292L;
+       
+       
+       public JSONObject() {
+               super();
+       }
+
+       /**
+        * Allows creation of a JSONObject from a Map. After that, both the
+        * generated JSONObject and the Map can be modified independently.
+        * 
+        * @param map
+        */
+       public JSONObject(Map map) {
+               super(map);
+       }
+
+
+    /**
+     * Encode a map into JSON text and write it to out.
+     * If this map is also a JSONAware or JSONStreamAware, JSONAware or JSONStreamAware specific behaviours will be ignored at this top level.
+     * 
+     * @see org.json.simple.JSONValue#writeJSONString(Object, Writer)
+     * 
+     * @param map
+     * @param out
+     */
+       public static void writeJSONString(Map map, Writer out) throws IOException {
+               if(map == null){
+                       out.write("null");
+                       return;
+               }
+               
+               boolean first = true;
+               Iterator iter=map.entrySet().iterator();
+               
+        out.write('{');
+               while(iter.hasNext()){
+            if(first)
+                first = false;
+            else
+                out.write(',');
+                       Map.Entry entry=(Map.Entry)iter.next();
+            out.write('\"');
+            out.write(escape(String.valueOf(entry.getKey())));
+            out.write('\"');
+            out.write(':');
+                       JSONValue.writeJSONString(entry.getValue(), out);
+               }
+               out.write('}');
+       }
+
+       public void writeJSONString(Writer out) throws IOException{
+               writeJSONString(this, out);
+       }
+       
+       /**
+        * Convert a map to JSON text. The result is a JSON object. 
+        * If this map is also a JSONAware, JSONAware specific behaviours will be omitted at this top level.
+        * 
+        * @see org.json.simple.JSONValue#toJSONString(Object)
+        * 
+        * @param map
+        * @return JSON text, or "null" if map is null.
+        */
+       public static String toJSONString(Map map){
+               final StringWriter writer = new StringWriter();
+               
+               try {
+                       writeJSONString(map, writer);
+                       return writer.toString();
+               } catch (IOException e) {
+                       // This should never happen with a StringWriter
+                       throw new RuntimeException(e);
+               }
+       }
+       
+       public String toJSONString(){
+               return toJSONString(this);
+       }
+       
+       public String toString(){
+               return toJSONString();
+       }
+
+       public static String toString(String key,Object value){
+        StringBuffer sb = new StringBuffer();
+        sb.append('\"');
+        if(key == null)
+            sb.append("null");
+        else
+            JSONValue.escape(key, sb);
+               sb.append('\"').append(':');
+               
+               sb.append(JSONValue.toJSONString(value));
+               
+               return sb.toString();
+       }
+       
+       /**
+        * Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F).
+        * It's the same as JSONValue.escape() only for compatibility here.
+        * 
+        * @see org.json.simple.JSONValue#escape(String)
+        * 
+        * @param s
+        * @return
+        */
+       public static String escape(String s){
+               return JSONValue.escape(s);
+       }
+}